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F. Operation and Maintenance Log

DAT

PRODUCT GPM

REJECT GPM

PUMP

DISCHARGE

PRESSURE

FEED TDS PPM

PRODUCT TDS

PPM

FEED W

ATER

TEMP

FEED W

ATER

HARDNESS

FEED W

ATER

CHLORINE LEVEL

PRE FIL

TER INLET

PRESSURE

PRE FIL

TER

OUTLET

PRESSURE

REMARKS

Note: Change the pr

efilter when the dif

fer

ential pr

essur

e incr

eases by 5 - 10psi over the clean dif

fer

ential pr

essur

Clean the RO membrane(s) when the pr

oduct flow dr

ops by 15% or mor

e. (See appendix)

Содержание PWR2511 Series

Страница 1: ...ng and selection of this system Notes Changes in operating variables are beyond the control of Watts The end user is responsible for the safe operation of this equipment The suitability of the product water for any specific application is the responsibility of the end user Successful long term performance of an RO system depends on proper operation and maintenance of the system This includes the i...

Страница 2: ...e analysis as SiO2 Silica forms a coating on membrane surfaces when the concentration exceeds its solubility Additionally the solubility is highly pH and temperature dependent Silica fouling can be prevented with chemical injection and or reduc tion in recovery 2 I Introduction The separation of dissolved solids and water using RO membranes is a pressure driven temperature dependent process The me...

Страница 3: ...nlet and outlet pressures of the prefilter The difference between these two gauges is the prefilter differential pressure F Pump Discharge Pressure Gauge Indicates the membrane feed pressure G Reject Flow Meter Indicates the reject flow rate in gallons per minute gpm H Product Flow Meter Indicates the product flow rate in gallons per minute gpm I Prefilter Housing Contains the RO prefilter J Autom...

Страница 4: ...ound fault interrupt GFI is recommended D Startup 1 Verify that the pretreatment equipment is installed and working properly Verify that no free chlorine is present in the feed water 2 Verify that the on off switch is in the off position 3 Install a 10 five micron filter cartridge in the prefilter housing 4 Open the reject control valve completely Figure 1 item C by turning it counterclockwise 5 C...

Страница 5: ...FEED WATER TEMP FEED WATER HARDNESS FEED WATER CHLORINE LEVEL PRE FILTER INLET PRESSURE PRE FILTER OUTLET PRESSURE REMARKS Note Change the prefilter when the differential pressure increases by 5 10psi over the clean differential pressure Clean the RO membrane s when the product flow drops by 15 or more See appendix ...

Страница 6: ...ion of pretreatment system e g coagulation process Resin activated carbon treatment Clean with high pH detergent Increased Increased Decreased Most severe in the first stage Chlorine oxidant attack Chlorine analysis of feed Destructive element test Check chlorine feed equipment and dechlorination equipment Increased Increased Decreased Most severe in the first stage Abrasion of membrane by crystal...

Страница 7: ...e feed flow 5 Record the serial numbers of the new membranes 6 Lightly lubricate the brine seals on the new membranes with clean water 7 Install the new membranes in the direction of flow with the brine seal end going in last 8 Lightly lubricate the end cap internal and external O rings with glycerin 9 Install the end caps and secure them with the U pins 10 Reconnect the tubing to the pressure ves...

Страница 8: ... warranties are exclusive and are the only remedies for breach of warranty EXCEPT FOR THE APPLICABLE PRODUCT WARRANTY IF ANY WATTS MAKES NO OTHER WARRANTIES EXPRESS OR IMPLIED TO THE FULLEST EXTENT PERMITTED BY APPLICABLE LAW WATTS HEREBY SPECIFICALLY DISCLAIMS ALL OTHER WARRANTIES EXPRESS OR IMPLIED INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULA...

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